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JAMB Biology 2000 Question 32

Question 32

Photosynthesis and Plant Nutrition

Use the graph (plant growth against soil essential element concentration) to answer questions 31 and 32. The range at which soil essential elements concentration is recorded for optimal plant growth is marked

Diagram for this question
  1. A.IV
  2. B.III
  3. C.II
  4. D.I.
Show the answer and explanation

Answer: B (III)

Explanation

Range III is the flat top of the curve, where growth is highest.